dce.c

winNT技术操作系统,国外开放的原代码和LIUX一样

    ok( GetRgnBox( hrgn, &rect ) != ERROR, "region must still be valid\n" );
    SetRectEmpty( &rect );
    GetClipBox( hdc, &rect );
    ok( rect.left >= 10 && rect.top >= 10 && rect.right <= 20 && rect.bottom <= 20,
        "invalid clip box %ld,%ld-%ld,%ld\n", rect.left, rect.top, rect.right, rect.bottom );
    hdc = GetDCEx( hwnd_owndc, 0, DCX_USESTYLE );
    SetRectEmpty( &rect );
    GetClipBox( hdc, &rect );
    ok( rect.left >= 10 && rect.top >= 10 && rect.right <= 20 && rect.bottom <= 20,
        "invalid clip box %ld,%ld-%ld,%ld\n", rect.left, rect.top, rect.right, rect.bottom );
    ok( GetRgnBox( hrgn, &rect ) != ERROR, "region must still be valid\n" );
    ReleaseDC( hwnd_owndc, hdc );
    ok( GetRgnBox( hrgn, &rect ) != ERROR, "region must still be valid\n" );

    SetRect( &rect, 20, 20, 30, 30 );
    MapWindowPoints( hwnd_owndc, 0, (POINT *)&rect, 2 );
    hrgn2 = CreateRectRgnIndirect( &rect );
    hdc = GetDCEx( hwnd_owndc, hrgn2, DCX_INTERSECTRGN | DCX_USESTYLE );
    ok( GetRgnBox( hrgn, &rect ) == ERROR, "region must no longer be valid\n" );
    SetRectEmpty( &rect );
    GetClipBox( hdc, &rect );
    ok( rect.left >= 20 && rect.top >= 20 && rect.right <= 30 && rect.bottom <= 30,
        "invalid clip box %ld,%ld-%ld,%ld\n", rect.left, rect.top, rect.right, rect.bottom );
    ok( GetRgnBox( hrgn2, &rect ) != ERROR, "region2 must still be valid\n" );
    ReleaseDC( hwnd_owndc, hdc );
    ok( GetRgnBox( hrgn2, &rect ) != ERROR, "region2 must still be valid\n" );
    hdc = GetDCEx( hwnd_owndc, 0, DCX_EXCLUDERGN | DCX_USESTYLE );
    ok( GetRgnBox( hrgn2, &rect ) == ERROR, "region must no longer be valid\n" );
    SetRectEmpty( &rect );
    GetClipBox( hdc, &rect );
    ok( !(rect.left >= 20 && rect.top >= 20 && rect.right <= 30 && rect.bottom <= 30),
        "clip box should have been reset %ld,%ld-%ld,%ld\n", rect.left, rect.top, rect.right, rect.bottom );
    ReleaseDC( hwnd_owndc, hdc );

    /* class DC */

    SetRect( &rect, 10, 10, 20, 20 );
    MapWindowPoints( hwnd_classdc, 0, (POINT *)&rect, 2 );
    hrgn = CreateRectRgnIndirect( &rect );
    hdc = GetDCEx( hwnd_classdc, hrgn, DCX_INTERSECTRGN | DCX_USESTYLE );
    SetRectEmpty( &rect );
    GetClipBox( hdc, &rect );
    ok( rect.left >= 10 && rect.top >= 10 && rect.right <= 20 && rect.bottom <= 20,
        "invalid clip box %ld,%ld-%ld,%ld\n", rect.left, rect.top, rect.right, rect.bottom );
    ok( GetRgnBox( hrgn, &rect ) != ERROR, "region must still be valid\n" );
    ReleaseDC( hwnd_classdc, hdc );
    ok( GetRgnBox( hrgn, &rect ) != ERROR, "region must still be valid\n" );
    SetRectEmpty( &rect );
    GetClipBox( hdc, &rect );
    ok( rect.left >= 10 && rect.top >= 10 && rect.right <= 20 && rect.bottom <= 20,
        "invalid clip box %ld,%ld-%ld,%ld\n", rect.left, rect.top, rect.right, rect.bottom );

    hdc = GetDCEx( hwnd_classdc, 0, DCX_USESTYLE );
    SetRectEmpty( &rect );
    GetClipBox( hdc, &rect );
    ok( rect.left >= 10 && rect.top >= 10 && rect.right <= 20 && rect.bottom <= 20,
        "invalid clip box %ld,%ld-%ld,%ld\n", rect.left, rect.top, rect.right, rect.bottom );
    ok( GetRgnBox( hrgn, &rect ) != ERROR, "region must still be valid\n" );
    ReleaseDC( hwnd_classdc, hdc );
    ok( GetRgnBox( hrgn, &rect ) != ERROR, "region must still be valid\n" );

    SetRect( &rect, 20, 20, 30, 30 );
    MapWindowPoints( hwnd_classdc, 0, (POINT *)&rect, 2 );
    hrgn2 = CreateRectRgnIndirect( &rect );
    hdc = GetDCEx( hwnd_classdc, hrgn2, DCX_INTERSECTRGN | DCX_USESTYLE );
    ok( GetRgnBox( hrgn, &rect ) == ERROR, "region must no longer be valid\n" );
    SetRectEmpty( &rect );
    GetClipBox( hdc, &rect );
    ok( rect.left >= 20 && rect.top >= 20 && rect.right <= 30 && rect.bottom <= 30,
        "invalid clip box %ld,%ld-%ld,%ld\n", rect.left, rect.top, rect.right, rect.bottom );
    ok( GetRgnBox( hrgn2, &rect ) != ERROR, "region2 must still be valid\n" );

    old_hdc = hdc;
    hdc = GetDCEx( hwnd_classdc2, 0, DCX_USESTYLE );
    ok( old_hdc == hdc, "did not get the same hdc %p/%p\n", old_hdc, hdc );
    ok( GetRgnBox( hrgn2, &rect ) != ERROR, "region2 must still be valid\n" );
    SetRectEmpty( &rect );
    GetClipBox( hdc, &rect );
    ok( !(rect.left >= 20 && rect.top >= 20 && rect.right <= 30 && rect.bottom <= 30),
        "clip box should have been reset %ld,%ld-%ld,%ld\n", rect.left, rect.top, rect.right, rect.bottom );
    ReleaseDC( hwnd_classdc2, hdc );
    ok( GetRgnBox( hrgn2, &rect ) != ERROR, "region2 must still be valid\n" );
    hdc = GetDCEx( hwnd_classdc2, 0, DCX_EXCLUDERGN | DCX_USESTYLE );
    ok( GetRgnBox( hrgn2, &rect ) != ERROR, "region2 must still be valid\n" );
    ok( !(rect.left >= 20 && rect.top >= 20 && rect.right <= 30 && rect.bottom <= 30),
        "clip box must have been reset %ld,%ld-%ld,%ld\n", rect.left, rect.top, rect.right, rect.bottom );
    ReleaseDC( hwnd_classdc2, hdc );
}


/* test various BeginPaint/EndPaint behaviors */
static void test_begin_paint(void)
{
    HDC old_hdc, hdc;
    RECT rect;
    PAINTSTRUCT ps;

    /* cache DC */

    /* clear update region */
    RedrawWindow( hwnd_cache, NULL, 0, RDW_VALIDATE|RDW_NOFRAME|RDW_NOERASE );
    SetRect( &rect, 10, 10, 20, 20 );
    RedrawWindow( hwnd_cache, &rect, 0, RDW_INVALIDATE );
    hdc = BeginPaint( hwnd_cache, &ps );
    SetRectEmpty( &rect );
    GetClipBox( hdc, &rect );
    ok( rect.left >= 10 && rect.top >= 10 && rect.right <= 20 && rect.bottom <= 20,
        "invalid clip box %ld,%ld-%ld,%ld\n", rect.left, rect.top, rect.right, rect.bottom );
    EndPaint( hwnd_cache, &ps );

    /* window DC */

    RedrawWindow( hwnd_owndc, NULL, 0, RDW_VALIDATE|RDW_NOFRAME|RDW_NOERASE );
    SetRect( &rect, 10, 10, 20, 20 );
    RedrawWindow( hwnd_owndc, &rect, 0, RDW_INVALIDATE );
    hdc = BeginPaint( hwnd_owndc, &ps );
    SetRectEmpty( &rect );
    GetClipBox( hdc, &rect );
    ok( rect.left >= 10 && rect.top >= 10 && rect.right <= 20 && rect.bottom <= 20,
        "invalid clip box %ld,%ld-%ld,%ld\n", rect.left, rect.top, rect.right, rect.bottom );
    ReleaseDC( hwnd_owndc, hdc );
    SetRectEmpty( &rect );
    GetClipBox( hdc, &rect );
    ok( rect.left >= 10 && rect.top >= 10 && rect.right <= 20 && rect.bottom <= 20,
        "invalid clip box %ld,%ld-%ld,%ld\n", rect.left, rect.top, rect.right, rect.bottom );
    ok( GetDC( hwnd_owndc ) == hdc, "got different hdc\n" );
    SetRectEmpty( &rect );
    GetClipBox( hdc, &rect );
    ok( rect.left >= 10 && rect.top >= 10 && rect.right <= 20 && rect.bottom <= 20,
        "invalid clip box %ld,%ld-%ld,%ld\n", rect.left, rect.top, rect.right, rect.bottom );
    EndPaint( hwnd_owndc, &ps );
    SetRectEmpty( &rect );
    GetClipBox( hdc, &rect );
    ok( !(rect.left >= 10 && rect.top >= 10 && rect.right <= 20 && rect.bottom <= 20),
        "clip box should have been reset %ld,%ld-%ld,%ld\n", rect.left, rect.top, rect.right, rect.bottom );
    RedrawWindow( hwnd_owndc, NULL, 0, RDW_VALIDATE|RDW_NOFRAME|RDW_NOERASE );
    SetRect( &rect, 10, 10, 20, 20 );
    RedrawWindow( hwnd_owndc, &rect, 0, RDW_INVALIDATE|RDW_ERASE );
    ok( GetDC( hwnd_owndc ) == hdc, "got different hdc\n" );
    SetRectEmpty( &rect );
    GetClipBox( hdc, &rect );
    ok( !(rect.left >= 10 && rect.top >= 10 && rect.right <= 20 && rect.bottom <= 20),
        "clip box should be the whole window %ld,%ld-%ld,%ld\n", rect.left, rect.top, rect.right, rect.bottom );
    RedrawWindow( hwnd_owndc, NULL, 0, RDW_ERASENOW );
    SetRectEmpty( &rect );
    GetClipBox( hdc, &rect );
    ok( !(rect.left >= 10 && rect.top >= 10 && rect.right <= 20 && rect.bottom <= 20),
        "clip box should still be the whole window %ld,%ld-%ld,%ld\n", rect.left, rect.top, rect.right, rect.bottom );

    /* class DC */

    RedrawWindow( hwnd_classdc, NULL, 0, RDW_VALIDATE|RDW_NOFRAME|RDW_NOERASE );
    SetRect( &rect, 10, 10, 20, 20 );
    RedrawWindow( hwnd_classdc, &rect, 0, RDW_INVALIDATE );
    hdc = BeginPaint( hwnd_classdc, &ps );
    SetRectEmpty( &rect );
    GetClipBox( hdc, &rect );
    ok( rect.left >= 10 && rect.top >= 10 && rect.right <= 20 && rect.bottom <= 20,
        "invalid clip box %ld,%ld-%ld,%ld\n", rect.left, rect.top, rect.right, rect.bottom );

    old_hdc = hdc;
    hdc = GetDC( hwnd_classdc2 );
    ok( old_hdc == hdc, "did not get the same hdc %p/%p\n", old_hdc, hdc );
    SetRectEmpty( &rect );
    GetClipBox( hdc, &rect );
    ok( !(rect.left >= 10 && rect.top >= 10 && rect.right <= 20 && rect.bottom <= 20),
        "clip box should have been reset %ld,%ld-%ld,%ld\n", rect.left, rect.top, rect.right, rect.bottom );
}


START_TEST(dce)
{
    WNDCLASSA cls;

    cls.style = CS_DBLCLKS;
    cls.lpfnWndProc = DefWindowProcA;
    cls.cbClsExtra = 0;
    cls.cbWndExtra = 0;
    cls.hInstance = GetModuleHandleA(0);
    cls.hIcon = 0;
    cls.hCursor = LoadCursorA(0, (LPSTR)IDC_ARROW);
    cls.hbrBackground = GetStockObject(WHITE_BRUSH);
    cls.lpszMenuName = NULL;
    cls.lpszClassName = "cache_class";
    RegisterClassA(&cls);
    cls.style = CS_DBLCLKS | CS_OWNDC;
    cls.lpszClassName = "owndc_class";
    RegisterClassA(&cls);
    cls.style = CS_DBLCLKS | CS_CLASSDC;
    cls.lpszClassName = "classdc_class";
    RegisterClassA(&cls);

    hwnd_cache = CreateWindowA("cache_class", NULL, WS_OVERLAPPED | WS_VISIBLE,
                               0, 0, 100, 100,
                               0, 0, GetModuleHandleA(0), NULL );
    hwnd_owndc = CreateWindowA("owndc_class", NULL, WS_OVERLAPPED | WS_VISIBLE,
                               0, 200, 100, 100,
                               0, 0, GetModuleHandleA(0), NULL );
    hwnd_classdc = CreateWindowA("classdc_class", NULL, WS_OVERLAPPED | WS_VISIBLE,
                                 200, 0, 100, 100,
                                 0, 0, GetModuleHandleA(0), NULL );
    hwnd_classdc2 = CreateWindowA("classdc_class", NULL, WS_OVERLAPPED | WS_VISIBLE,
                                  200, 200, 100, 100,
                                  0, 0, GetModuleHandleA(0), NULL );
    test_dc_attributes();
    test_parameters();
    test_dc_visrgn();
    test_begin_paint();
}